A 10-carat blue diamond which could fetch $20 million when it goes under the hammer later this month was presented by auction ...

If 'The Golconda Blue' went to auction it would have been the largest fancy vivid blue diamond to have been presented at a public sale. Its estimate was $35 - $50 million ...

Sotheby's Geneva auction will feature the stunning 10-carat \"Mediterranean Blue Diamond,\" estimated to fetch $20 million.

A rare 10-carat blue fancy diamond could fetch up to $20 million when it goes to auction in Geneva on May 13, auction house ...

Sotheby's High Jewelry Sale later this May is bringing plenty of gems to the auction block, such as the Mediterraean Blue and ...

The rare "Mediterranean blue" blue diamond of 10.03 carats was sold at an auction in Geneva for 19.2 million euros, announced ...

An exceptionally-rare blue diamond went under the hammer in Geneva late Tuesday, selling for $21.5 million, Sotheby's auction house said. "The Mediterranean Blue", a fancy vivid blue diamond ...

From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that redefines luxury.

Sotheby's in Geneva introduces the 10-carat 'Mediterranean Blue Diamond,' a rare fancy vivid blue gemstone mined in South Africa, expected to fetch $20 million at auction. The blue diamond market ...